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Earth

Earth may once have had a ring like Saturn

A ring of asteroid debris could have orbited Earth for tens of millions of years, and perhaps even have altered the planet's climate

Health

Antibiotic resistance forecast to kill 39 million people by 2050

Technology

Cold war spy satellites and AI detect ancient underground aqueducts

Health

Evidence grows for dramatic brain remodelling during pregnancy

Chemistry

How to turn most of the CO2 an astronaut exhales into fresh oxygen

Health

The complicated role loneliness plays in 26 common health conditions

Space

Dark matter may allow giant black holes to form in the early universe

Life

Tiny chameleon spotted by tourists in Madagascar is new to science

Space

Polaris Dawn mission is one giant leap for private space exploration

Life

Antidote to deadly pesticides boosts bee survival

Feeding bees edible bits of hydrogel increases their odds of surviving pesticide exposure by 30 per cent

Life

Cats have brain activity recorded with the help of crocheted hats

Space

Complex chemicals found on Enceladus improve prospects for life

Physics

Cause and effect may not actually be muddled in the quantum realm

Environment

Weather forecasts could warn about events made worse by climate change